package topcoder;

import java.util.*;

public class FoxAndMp3Easy {

	public String[] playList(int n) {
		String[] S = new String[n];
		for (int i = 1; i <= n; i++)
			S[i - 1] = String.valueOf(i) + ".mp3";
		
		Arrays.sort(S);
		
		String[] R = new String[Math.min(n, 50)];
		
		for (int i = 0; i < R.length; i++)
			R[i] = S[i];
		
		return R;
	}
}
